CN109736838A - A kind of construction technology improving tunnel gunite concrete molding temperature - Google Patents
A kind of construction technology improving tunnel gunite concrete molding temperature Download PDFInfo
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- CN109736838A CN109736838A CN201811501407.7A CN201811501407A CN109736838A CN 109736838 A CN109736838 A CN 109736838A CN 201811501407 A CN201811501407 A CN 201811501407A CN 109736838 A CN109736838 A CN 109736838A
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- temperature
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- concrete molding
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Abstract
The invention discloses a kind of shunt temperature elevation systems, it is related to the realm of building construction, mainly solve the problems, such as that tunnel gunite concrete molding temperature is unsatisfactory for construction requirement, it include jetting type blower, heating muff, first dish-shaped valve and the second dish-shaped valve, pass through wind band connection between one end and heating muff of the jetting type blower, it is characterized in that, the heating muff is connected by the warm wind channel heating path of 30cm*40cm with heating boiler, the heating muff is connected close to one end bottom of jetting type blower with the upper end in warm wind channel heating path, the vertical portion in warm wind channel heating path, lateral part is respectively arranged with the first dish-shaped valve and the second dish-shaped valve, the invention also discloses the construction technologies for improving tunnel gunite concrete molding temperature, the relatively traditional heating system of the present invention has spirit Adjustable heating system living, is effectively guaranteed the construction temperature in tunnel, realizes temperature-controllable in hole；It simultaneously being capable of save the cost.
Description
Technical field
The present invention relates to the realm of building construction, specifically a kind of construction work for improving tunnel gunite concrete molding temperature
Skill.
Background technique
With the continuous development of society with progress, building trade also developed on an unprecedented scale, and people are also constantly to construction
Technology is explored, and construction technology is made to update；Construction refers to the production activity of engineering construction implementation phase, is all kinds of
The building course of building, it may also be said to be that the various lines on design drawing in specified place, are become mistake in kind
Journey.Construction includes basic engineering construction, main structure construction, roof construction, decorative engineering construction etc.；Construction operation
Place be known as " construction site " or crying " construction site ", also cry building site.
Through field investigation, traditional heating system cannot effectively improve gunite concrete molding temperature, and tunnel injection is mixed
Solidifying 5.1 DEG C of average out to of molding temperature of soil, is not able to satisfy the construction reference requirement of innings quality engineering, it is therefore necessary to by new process or
New equipment improves tunnel gunite concrete molding temperature, while not influencing construction speed, guarantees the quality of construction；According to existing
Field investigation and analysis determine that the main reason for influencing tunnel gunite concrete molding temperature is that heating system is improper in hole, lead
Temperature is lower in cause hole, influences tank car internal spray concrete temperature, causes gunite concrete second-rate, occurs falling existing
As.
Summary of the invention
The purpose of the present invention is to provide a kind of construction technologies for improving tunnel gunite concrete molding temperature, on solving
State the problem of proposing in background technique.
To achieve the above object, the invention provides the following technical scheme:
A kind of shunt temperature elevation system includes jetting type blower, heating muff, the first dish-shaped valve and the second disc valve
Door passes through wind band connection, which is characterized in that the heating muff passes through between one end and heating muff of the jetting type blower
The warm wind channel heating path of 30cm*40cm is connected with heating boiler, and the heating muff is close to one end bottom of jetting type blower
Portion is connected with the upper end in warm wind channel heating path, and the vertical portion in warm wind channel heating path, lateral part are set respectively
It is equipped with the first dish-shaped valve and the second dish-shaped valve.
As a further solution of the present invention: the wind band is 30m long.
As a further solution of the present invention: the heating muff diameter is 150cm, a length of 9m, wall thickness 3mm.
As a further solution of the present invention: warm wind channel heating path is L shape, the warm wind channel heating road
It is wrapped up outside diameter using water-proof heat-insulation material, reduces loss of the temperature outside hole.
As a further solution of the present invention: a kind of construction with the raising tunnel gunite concrete molding temperature
Technique, steps are as follows:
S1, shunt temperature elevation system combined warming；The specific method is as follows:
A, it is heated first from jetting type blower ventilation heating path face into hole, makes face temperature at 10 DEG C
More than, guarantee that the operation of face wet shot and otherwise construction operate normally；
B, when face temperature reaches certain temperature, warm wind channel is cut by ventilation shaft heating path by butterfly valve
Warm air boiler channel path is changed to, guarantees that the temperature within the scope of the certain distance of hole is maintained at 15 degree or more；
S2, measurement gunite concrete molding temperature；After formula temperature elevation system operation a period of time to be shunted, temperature rifle pair is utilized
Gunite concrete molding temperature is measured, and each hole data are summarized, complying with standard requirement.
Compared with prior art, the beneficial effects of the present invention are: the relatively traditional heating system of the present invention has flexibly may be used
The construction temperature in tunnel is effectively guaranteed in the heating system of tune, realizes temperature-controllable in hole；It can save into simultaneously
This.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of shunt temperature elevation system in the present invention.
Fig. 2 is that combined type shunts heating system path schematic diagram in the present invention.
Fig. 3 is that gunite concrete molding temperature carries out detection contrast schematic diagram in the present invention.
In figure: 1- jetting type blower, 2- heating muff, the dish-shaped valve of 3- first, the dish-shaped valve of 4- second, 5- heating kettle
Furnace, 6- warm wind channel heating path.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Embodiment 1
Referring to FIG. 1-2, in the embodiment of the present invention, a kind of shunt temperature elevation system includes jetting type blower 1, heating
The dish-shaped valve 3 of sleeve 2, first and the second dish-shaped valve 4, pass through between one end and heating muff 2 of the jetting type blower 1
30m wind band connection, 2 diameter of heating muff is 150cm, a length of 9m, wall thickness 3mm；The heating muff 2 passes through 30cm*
The warm wind channel heating path 6 of 40cm is connected with heating boiler 5, and the heating muff 2 is close to one end bottom of jetting type blower 1
It is connected with the upper end in warm wind channel heating path 6, warm wind channel heating path 6 is L shape, the warm wind channel heating road
6 outside of diameter is wrapped up using water-proof heat-insulation material, reduces loss of the temperature outside hole；Warm wind channel heating path 6
Vertical portion, lateral part are respectively arranged with the first dish-shaped valve 3 and the second dish-shaped valve 4；Pass through the first dish-shaped valve 3 and the
Two dish-shaped valves 4 can control the warm wind pass in pipeline；
Embodiment 2
A kind of construction technology with the raising tunnel gunite concrete molding temperature, steps are as follows:
S1, shunt temperature elevation system combined warming mode；The specific method is as follows:
A, it is heated first from jetting type blower ventilation heating path face into hole, makes face temperature at 10 DEG C
More than, guarantee that the operation of face wet shot and otherwise construction operate normally；
B, when face temperature reaches certain temperature, warm wind channel is cut by ventilation shaft heating path by butterfly valve
Warm air boiler channel path is changed to, guarantees that the temperature within the scope of the certain distance of hole is maintained at 15 degree or more；
S2, measurement gunite concrete molding temperature；
After formula temperature elevation system operation a period of time to be shunted, gunite concrete molding temperature is surveyed using temperature rifle
It is fixed, and each hole data are summarized, complying with standard requirement.
Detection comparison is carried out to the gunite concrete molding temperature under traditional heating system and shunt temperature elevation system, is tied
Structure is (wherein wide column diagram is shunt temperature elevation system, and narrow column diagram is traditional heating system) as shown in Figure 3:
Shunt temperature elevation system has itself unique advantage, and relatively traditional heating system has flexible adjustable heating
The construction temperature in tunnel is effectively guaranteed in mode, realizes temperature-controllable in hole.
From above data it is found that after using shunt temperature elevation system, 17.6 DEG C of gunite concrete molding temperature average out to is mentioned
It is 12.5 DEG C high, 21 DEG C are ranged up to, can satisfy normal construction requirement.
The working principle of the invention is: by the way that increasing device after blower and being combined with boiler, formation can be shunted
Formula heating heating system, using twin flue, optionally the delivery temperature into Tunnel, realization transmit temperature in temperature
Be lost it is minimum in the case where be sent to tunnel tunnel face and construction part for warm wind is the fastest, and maintain the entirety in Tunnel
Temperature, while more traditional heating system more save the cost.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (7)
- It include jetting type blower (1), heating muff (2), the first dish-shaped valve (3) and the 1. a kind of shunt temperature elevation system Two dish-shaped valves (4), by wind band connection between one end and heating muff (2) of the jetting type blower (1), feature exists In the heating muff (2) is connected by warm wind channel heating path (6) with heating boiler (5), and the heating muff (2) is leaned on One end bottom of close-range shot flow type fan (1) is connected with the upper end of warm wind channel heating path (6), warm wind channel heating path (6) vertical portion, lateral part are respectively arranged with the first dish-shaped valve (3) and the second dish-shaped valve (4).
- 2. shunt temperature elevation system according to claim 1, which is characterized in that the wind band is 30m long.
- 3. shunt temperature elevation system according to claim 1, which is characterized in that heating muff (2) diameter is 150cm, a length of 9m, wall thickness 3mm.
- 4. shunt temperature elevation system according to claim 1, which is characterized in that warm wind channel heating path (6) is outside It is wrapped up using water-proof heat-insulation material in portion.
- 5. a kind of construction technology for improving tunnel gunite concrete molding temperature, including any shunting of claim 1-4 Formula temperature elevation system, which is characterized in that steps are as follows:S1, shunt temperature elevation system combined warming；S2, measurement gunite concrete molding temperature；After formula temperature elevation system operation a period of time to be shunted, using temperature rifle to injection Concrete molding temperature is measured, and each hole data are summarized, complying with standard requirement.
- 6. the construction technology according to claim 5 for improving tunnel gunite concrete molding temperature, which is characterized in that step The specific method is as follows by S1:A, first from jetting type blower ventilation heating path face into hole heat, make face temperature 10 DEG C with On, guarantee that the operation of face wet shot and otherwise construction operate normally；B, when face temperature reaches certain temperature, warm wind channel is switched to by ventilation shaft heating path by butterfly valve Warm air boiler channel path guarantees that the temperature within the scope of the certain distance of hole is maintained at 15 degree or more.
- 7. the use of the construction technology of the raising tunnel gunite concrete molding temperature as described in claim 1-4 in the construction process On the way.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811501407.7A CN109736838A (en) | 2018-12-10 | 2018-12-10 | A kind of construction technology improving tunnel gunite concrete molding temperature |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811501407.7A CN109736838A (en) | 2018-12-10 | 2018-12-10 | A kind of construction technology improving tunnel gunite concrete molding temperature |
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| CN109736838A true CN109736838A (en) | 2019-05-10 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5632575A (en) * | 1994-08-30 | 1997-05-27 | Lorenzen; Frank J. | Method and apparatus for controlled pumping of bentonite around a pipe jacked tunnel |
| CN103787628A (en) * | 2013-12-18 | 2014-05-14 | 中铁五局（集团）有限公司 | Preparation method of low-temperature early strength concrete for high cold permafrost region tunnel |
| CN108104838A (en) * | 2017-11-01 | 2018-06-01 | 中铁隧道勘察设计研究院有限公司 | A kind of automation control method of lining construction |
| CN209400099U (en) * | 2019-01-11 | 2019-09-17 | 中铁十一局集团第四工程有限公司 | A kind of tunnel double-lining concrete molding temperature monitoring device |
-
2018
- 2018-12-10 CN CN201811501407.7A patent/CN109736838A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5632575A (en) * | 1994-08-30 | 1997-05-27 | Lorenzen; Frank J. | Method and apparatus for controlled pumping of bentonite around a pipe jacked tunnel |
| CN103787628A (en) * | 2013-12-18 | 2014-05-14 | 中铁五局（集团）有限公司 | Preparation method of low-temperature early strength concrete for high cold permafrost region tunnel |
| CN108104838A (en) * | 2017-11-01 | 2018-06-01 | 中铁隧道勘察设计研究院有限公司 | A kind of automation control method of lining construction |
| CN209400099U (en) * | 2019-01-11 | 2019-09-17 | 中铁十一局集团第四工程有限公司 | A kind of tunnel double-lining concrete molding temperature monitoring device |
Non-Patent Citations (1)
| Title |
|---|
| 夏颖婕等: "高寒地区隧道冬季施工分流式升温系统改造应用", 《公路交通科技应用技术版》 * |
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Application publication date: 20190510 |
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